The rubber of the wiper strip is better than the silica gel. B. Salt bath continuous vulcanization sealing strip
: The salt bath vulcanization adopts a salt bath system containing nitrite, which has a large environmental pollution and has been gradually eliminated. C, can be divided according to the shape of the section. For solid core products (round, square, flat cross-sectional shape), hollow products and metal rubber composite products, EPDM rubber sealing strips are much stronger than PVC strips in terms of sealing elasticity and durability, but Due to the need for microwave vulcanization lines, the processing energy consumption is high, which is usually more than 20 times that of PVC processing. The product cannot be reused, and it is not environmentally friendly, and it is not an advocated product. Automobile product rubber formula and its preparation method and process Background technology: At present, the low temperature performance of rubber products used in automobiles on the market is generally around -25°C, but the rubber parts on automobiles cannot withstand cold air in a harsh climate. The airflow caused the product life to be greatly reduced. The performance of rubber products used in automobiles directly affects personal safety. For example, the recall of some of the cars sold by Toyota in the past few years caused serious reputational consequences. Therefore, all automobile manufacturers need a long-term stable performance. Adequately safe rubber products. Whether the wiper rubber strip is better than silicone rubber is used to maintain the door, window glass, front and rear windows, triangular windows and other parts of the body. Its better maintenance ensures safe and comfortable driving, but few car owners pay attention to its maintenance. But in fact, its maintenance is very important, because once it is aging and damaged, it will cause rain leakage in the car, increase the driving wind noise of the car, and rain leakage can easily cause the body to rust. We can maintain the car by maintaining it. It has the effects of wind and rain, dustproof, heat and sound insulation, and when the body is shaken and distorted, it also plays a role in buffering, absorbing shock and maintaining glass. It also plays a decorative role on the edge of the door and window junction, so the owner must Maintain it frequently. Material: 1. Made of high-quality EPDM rubber, made by foaming process, 2. The back is made of imported double-sided tape, and the interlayer is grid-shaped glass fiber. The scope of application and installation method: 1. The sealing strip of the electrical cabinet is made of good Elasticity and resistance to compression deformation, aging resistance, ozone, chemical action, wide use temperature range (-40℃~+120℃) EPDM rubber foamed and densely compounded with unique content The metal clamps and tongue-shaped buckles are strong and durable. According to the sealing characteristics, automobile sealing strips can be divided into weather sealing strips (WEATHERSTRIP) and general sealing strips (SEALING). Among them, weather sealing strips have hollow sponge foam tubes, which have better temperature and humidity maintenance function and are maintained in normal The process includes the following items. First, the detergent must be cleaned. After the cleaning is not done, a layer of protective agent must be applied. This can prevent aging and prevent dust. Technical realization factors: The technical problem to be solved by the present invention is to provide a rubber formula for automobile products and a preparation method thereof, which has good low-temperature performance, can withstand the attack of cold air in a local environment with relatively bad weather, and guarantees good performance. Ensure personal safety. Technical realization factors: The technical problem to be solved by the present invention is to provide a rubber formula for automobile products and a preparation method thereof, which has good low-temperature performance, can withstand the attack of cold air in a local environment with relatively bad weather, and guarantees good performance. Ensure personal safety. Wiper rubber strips are better rubber or silica gel. Energy-saving doors and windows are roughly composed of profiles, hardware, glass, EPDM door and window sealing strips, and several major modules of processing technology. The sealing strips are relatively low in cost due to their proportion, and some do not pay attention to it. The influence of the traditional concept of energy-saving standards for doors and windows has been ignored by many door and window manufacturers, but we can’t help but admit that sealing strips play a vital role in door and window systems. What exactly can EPDM sealing strips play in door and window systems? What is the important role? . The product is environmentally friendly, easy to construct, and has good anti-seepage, anti-leakage and water-stop effects. 2) Corrosion resistance, aging resistance, high and low temperature resistance +80℃~-45℃, no flow, no deformation, no embrittlement, long service life, thermoplastic EPDM rubber sealing strip The sealing strip is a new material developed in recent years from the introduction of foreign technology and domestic independent research and development. It is mainly used for automotive door and window sealing strips. In recent years, it has been used for building door and window sealing. Its outstanding advantages are: ①The performance and service life are equivalent to those of vulcanized EPDM rubber sealing strips. Where can it be used? Wooden windows, aluminum clad wood, aluminum alloy doors and windows, wooden doors, wood-plastic doors, ecological doors, log doors, solid wood doors, painted doors, oak doors, composite doors, suit doors, security doors, sliding doors, wardrobe doors, cabinet doors, Bronze doors, cast aluminum doors, plastic steel doors and windows, etc., 035W/m2K; 5. Fatigue resistance test: imitating window opening and closing 500,000 times, no obvious change in shape
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